package 蓝桥真题.javaB组国赛真题;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashSet;
import java.util.Set;

public class 小球称重 {
    static BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
    static int n,m;
    static Set<Integer> impossible=new HashSet<>(),possible=new HashSet<>();
    public static void main(String[] ss) throws IOException {
        ss=br.readLine().split(" ");
        n=Integer.parseInt(ss[0]);m=Integer.parseInt(ss[1]);
        while(m-->0){}
    }
}
